Unable to create sync chain

[Chocoholic]

@dez7115 Hi and welcome to the community.

Please follow the instructions in the below linked post and see if this resolves your issue.

BRAVE Sync - ERROR SECURE STORAGE - SYNC DISABLED

We’re working on getting information on this error message up on the Help Center presently. But put simply, Brave Sync is trying to access — as stated in the message — your safe storage data, which it at this time does not have access to. This typically happens when [system] login credentials are changed, permissions are changed or sometimes after a system update. For users on macOS encountering this You should see a notification prompting you to enter your password to the keychain, as shown b…

Brave Help Center article:

Sync FAQ

Hope it works! Take care.